static int __init lcd_edid_init(void)
{
int ret;
lcdedid = kzalloc(sizeof(struct lcd_edid), GFP_KERNEL);
if (!lcdedid) {
pr_err("lcd_edid: Unable to allocate memory!\n");
return -ENOMEM;
}
lcdedid->specs = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
if (!lcdedid->specs) {
kfree(lcdedid);
pr_err("lcd_edid: Unable to allocate memory!\n");
return -ENOMEM;
}
lcdedid->bus = 2;
lcdedid->edid = tegra_edid_create(lcdedid->bus);
if (!lcdedid->edid) {
pr_err("lcd_edid: can't create edid\n");
}
ret = tegra_edid_get_monspecs(lcdedid->edid, lcdedid->specs);
if (ret < 0) {
// pr_err("error reading edid\n");
}
return 0;
}
static int tegra_dc_rgb_init(struct tegra_dc *dc)
{
struct tegra_edid *edid;
struct tegra_dc_edid *dc_edid;
struct fb_monspecs specs;
int err;
if (dc->out == NULL || dc->out->dcc_bus < 0)
return 0;
edid = tegra_edid_create(dc->out->dcc_bus);
if (IS_ERR_OR_NULL(edid)) {
dev_err(&dc->ndev->dev, "rgb: can't create edid\n");
return PTR_ERR(edid);
}
err = tegra_edid_get_monspecs(edid, &specs);
if (err < 0) {
dev_err(&dc->ndev->dev, "error reading edid\n");
return err;
}
if (dc->pdata->default_out->n_modes > 0) {
dc->mode.h_sync_width = specs.modedb->hsync_len;
dc->mode.v_sync_width = specs.modedb->vsync_len;
dc->mode.h_back_porch = specs.modedb->left_margin;
dc->mode.v_back_porch = specs.modedb->upper_margin;
dc->mode.h_active = specs.modedb->xres;
dc->mode.v_active = specs.modedb->yres;
dc->mode.h_front_porch = specs.modedb->right_margin;
if (!machine_is_avalon() && !machine_is_titan())
dc->mode.pclk = PICOS2KHZ(specs.modedb->pixclock) * 1000;
if (!machine_is_avalon())
dc->mode.v_front_porch = specs.modedb->lower_margin;
}
if (dc->pdata->fb) {
dc->pdata->fb->xres = specs.modedb->xres;
dc->pdata->fb->yres = specs.modedb->yres;
}
dc_edid = tegra_edid_get_data(edid);
if (IS_ERR_OR_NULL(dc_edid))
return PTR_ERR(dc_edid);
dc->out->width = dc_edid->buf[DTD_H_SIZE];
dc->out->height = dc_edid->buf[DTD_V_SIZE];
tegra_edid_put_data(dc_edid);
if (specs.modedb->xres > specs.modedb->yres) {
if (dc->out->width <= dc->out->height)
dc->out->width += 0xFF;
} else {
if (dc->out->width > dc->out->height)
dc->out->height += 0xFF;
}
fb_destroy_modedb(specs.modedb);
return 0;
}
static int tegra_dc_rgb_init(struct tegra_dc *dc)
{
struct tegra_edid *edid;
struct fb_monspecs specs;
int err;
edid = tegra_edid_create(dc->out->dcc_bus);
if (IS_ERR_OR_NULL(edid)) {
dev_err(&dc->ndev->dev, "rgb: can't create edid\n");
err = PTR_ERR(edid);
return err;
}
err = tegra_edid_get_monspecs(edid, &specs);
if (err < 0) {
dev_err(&dc->ndev->dev, "error reading edid\n");
return err;
}
if (dc->pdata->default_out->n_modes > 0) {
dc->mode.pclk = PICOS2KHZ(specs.modedb->pixclock) * 1000;
dc->mode.h_ref_to_sync = 1;
dc->mode.v_ref_to_sync = 1;
dc->mode.h_sync_width = specs.modedb->hsync_len;
dc->mode.v_sync_width = specs.modedb->vsync_len;
dc->mode.h_back_porch = specs.modedb->left_margin;
dc->mode.v_back_porch = specs.modedb->upper_margin;
dc->mode.h_active = specs.modedb->xres;
dc->mode.v_active = specs.modedb->yres;
dc->mode.h_front_porch = specs.modedb->right_margin;
dc->mode.v_front_porch = specs.modedb->lower_margin;
}
if (dc->pdata->fb) {
dc->pdata->fb->xres = specs.modedb->xres;
dc->pdata->fb->yres = specs.modedb->yres;
}
dc->out->width = specs.max_x * 10;
dc->out->height = specs.max_y * 10;
return 0;
}